set_flashdata is underfined?

PHP Code:

        $session = \Config\Services::session();
        $session->set_flashdata('error', 'Wrong email or password. Have you forgotten your password?'); 


the error feedback is as follows:

PHP Code:

Call to undefined method CodeIgniter\Session\Session::set_flashdata() 


Q&A for Codeigniter
StartBBS--open-source, light weight forum software.
Best VPS:Digital Ocean

https://bcit-ci.github.io/CodeIgniter4/l...#flashdata

You are just using the version 3 names, version 4 has diffrent names

Code:

        $session = \Config\Services::session();
        $session->setFlashdata('error', 'Wrong email or password. Have you forgotten your password?');

Thanks guys!!

Q&A for Codeigniter
StartBBS--open-source, light weight forum software.
Best VPS:Digital Ocean